What is square millimeter per hour?

What is temperature measurement?

Temperature is one of the seven SI base quantities and used as a measure of thermal energy. Physicists measure temperature on the Kelvin scale, which is marked in units called kelvins, with the lower limit on the scale of 0 kelvin and known as absolute zero. The most commonly used temperature scales are Celsius (°C) (the unit is also known as centigrade), and Fahrenheit (°F).read more...»